Young children's lives are increasingly spent indoors. They have less access to green spaces, their parents are concerned about safety, and there's also the draw of digital entertainment. This ...
Previous multi-wavelength metasurfaces are restricted to a few wavelengths or lack wavefront control ability. Here, the authors introduce a microcavity-assisted metasurface that achieves multi ...
Soft materials are materials that can be easily deformed by thermal stresses or thermal fluctuations at about room temperature. Soft materials include liquids, polymers, foams, gels, colloids ...